{ lib
, buildPythonPackage
, fetchPypi
, hypothesis
, lark
, libcst
, parso
, pytestCheckHook
, pytest-xdist
, pythonOlder
}:

buildPythonPackage rec {
  pname = "hypothesmith";
  version = "0.3.3";
  format = "setuptools";

  disabled = pythonOlder "3.8";

  src = fetchPypi {
    inherit pname version;
    hash = "sha256-lsFIAtbI6F2JdSZBdoeNtUso0u2SH9v+3C5rjOPIFxY=";
  };

  patches = [
    ./remove-black.patch
  ];

  postPatch = ''
    substituteInPlace setup.py \
      --replace "lark-parser" "lark"

    substituteInPlace tox.ini \
      --replace "--cov=hypothesmith" "" \
      --replace "--cov-branch" "" \
      --replace "--cov-report=term-missing:skip-covered" "" \
      --replace "--cov-fail-under=100" ""
  '';

  propagatedBuildInputs = [ hypothesis lark libcst ];

  nativeCheckInputs = [ parso pytestCheckHook pytest-xdist ];

  pytestFlagsArray = [
    "-v"
  ];

  disabledTests = [
    # https://github.com/Zac-HD/hypothesmith/issues/21
    "test_source_code_from_libcst_node_type"
  ];

  disabledTestPaths = [
    # missing blib2to3
    "tests/test_syntactic.py"
  ];

  pythonImportsCheck = [ "hypothesmith" ];

  meta = with lib; {
    description = "Hypothesis strategies for generating Python programs, something like CSmith";
    homepage = "https://github.com/Zac-HD/hypothesmith";
    changelog = "https://github.com/Zac-HD/hypothesmith/blob/master/CHANGELOG.md";
    license = licenses.mpl20;
    maintainers = with maintainers; [ ];
  };
}